题目内容：
请在（3）处填写正确答案。
A．In reply, Dr. Zunin would claim that a little practice can help us feel comfortable about changing our social habits. B．Much of what has been said about stranger also applies to relationships with family members and friends.
C．In his opinions success in life depends mainly on how we get along with other people．
D．Every time you meet someone in a social situation, give him your undivided attention for four minutes.
E．He keeps looking over the other person's shoulder, as if hoping to find someone more interesting in another part of the room.
F．He is eager to make friends with everyone．
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